Jatin Lalwani

• Username: 4★jat_in_codes
• Country:  India
• Student/Professional:Student
• Institution:Birla Institute of Technology & Science Pilani, Hyderabad Campus Telangana, India
• CodeChef Pro Plan: No Active Plan. View Details

Submissions Heat Map

Last 6 Months 2026 (Jan-Jun)2025 (Jul-Dec)2025 (Jan-Jun)

Rating Graph

No. of Contests Participated: 47

Current Ratings Graph Old Ratings Graph

1893 (+22)RatingProvisional
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June Challenge 2017(2017-06-12 15:00:00)

Global Rank:   978

Cheated in:   

Ratings System Update

(2017-06-12 15:00:00)

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1893 (-15)RatingProvisional
Rating i Provisional Rating, click to know more

June Challenge 2017(2022-12-20 00:00:00)

Global Rank:   978

Cheated in:   

Ratings System Update

(2022-12-20 00:00:00)

This is the difference due to changing the rating system.This graph is not updated after 20th Dec 2022. Know more

How the rating system works?

Learning Paths (0)

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Practice Paths (0)

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Contests (47)

October Cook-Off 2014

Walk on the Axis

April Challenge 2014

Farmer Feb, Shortest Path in Binary Trees

May Challenge 2014

Chef-jumping, Stone

June Challenge 2014

Chef and Subarray, Guessing Game

July Challenge 2014

Count Substrings, Reach The Point

August Challenge 2014

The Leaking Robot

September Challenge 2014

Chef and Left-Right, Fun with Rotation

October Challenge 2014

Magical Girl and Colored Liquid Potions, DevuLand, Dinosaurs and Laddus, Chef and Ground, Remy paints the fence

November Challenge 2014

Chef and Segment Game, Distinct Characters Subsequence, Chef and Red Black Tree, Let us construct palindrome

June Lunchtime 2014

The Smallest Pair

August Lunchtime 2014

Harrenhal

September Lunchtime 2014

Chef and easy problem

October Lunchtime 2014

Tanu and Head-bob

January Challenge 2015

Chef and A Large Permutation, Chef and Stones, Sereja and Votes, One Dimensional Kingdoms, Gcd Queries, Sereja and Number Division 2

January Cook-Off 2015

Suraj goes shopping, Tojo hates probabilities

March Challenge 2015

Sign Wave, Devu and his Class, Chef and Notebooks

July Challenge 2015

Bread, Na2a and lucky stone, Chef and Cube

August Challenge 2015

Gravity Guy, Cooking Machine, Aditi and Magic Trick

October Challenge 2015

Count Subarrays, Who dares to be a millionaire

November Challenge 2015

Eugene and function, Chef and cakes

May Cook-Off 2015

Devu and friendship testing

June Cook-Off 2015

Strange operations

July Cook-Off 2015

Cops and the Thief Devu, Maximize Disjoint Pair Sum

August Cook-Off 2015

Chef and the XORed Number , Chef and the Wildcard Matching

September Mega Cook-Off 2015

Forgotten Language

October Cook-Off 2015

Almost Sorted Permutation

November Cook-Off 2015

Sereja and Line, Sereja and Array and Subtracting

October Lunchtime 2015

emitL

December Lunchtime 2015

Distinct Codes

March Challenge 2016

Palindromic substrings, Chef and Number Guessing, maximize the sum, Chef And Special Dishes

October Challenge 2016

Sereja and Progressions, Chef and Keyboard, Fenwick Iterations, Chef and Three Dogs

February Cook-Off 2016

Puppy and Sum

June Cook-Off 2016

Right Triangle, Sticks

July Cook-Off 2016

Chef and Proportion, Chef and Numbers

September Cook-Off 2016

Lazy Jem

December Cook-Off 2016

Chef and Subset

December Lunchtime 2016

Superheroes and villains

January Cook-Off 2017

Digit Longest Increasing Subsequences 2

April Challenge 2017

Similar Dishes, Bear and Row 01, Dish Of Life

June Challenge 2017

Saboteur (Challenge), A Good Set, Chef and the Feast, Xenny and Coin Rankings, Triplets, Pairwise union of sets

May Cook-Off 2017

La Liga, Balanced Array

May Lunchtime 2017

Prefix Inversions

Total Problems Solved: 173